| Équations équilibrées la veille |
NaSCN + HCl = NaCl + HSCN
Au + H2O = Au2O3 + H2 =>
2 Au + 3 H2O = Au2O3 + 3 H2
CO2(g) + KOH = K2CO3 + H2O =>
CO2(g) + 2 KOH = K2CO3 + H2O
Ba(HS)2 + H2SO4 = BaSO4 + S + H2O =>
3 Ba(HS)2 + 5 H2SO4 = 3 BaSO4 + 8 S + 8 H2O
(NH4)2 + CO3 + MgSO4 = (NH4)2SO4 + MgCO3 =>
(NH4)2 + CO3 + MgSO4 = (NH4)2SO4 + MgCO3
Sr + HBr = BrSr + H2 =>
2 Sr + 2 HBr = 2 BrSr + H2
K + H2O2 + H2SO4 = K2SO4 + H2O =>
2 K + H2O2 + H2SO4 = K2SO4 + 2 H2O
K2S + Cu = CuS + K =>
K2S + Cu = CuS + 2 K
Fe(s) + HClO4(aq) = Fe(ClO4) + H2 =>
2 Fe(s) + 2 HClO4(aq) = 2 Fe(ClO4) + H2
HBr(aq) + NaOH(s) = H2O(l) + NaBr(aq) =>
HBr(aq) + NaOH(s) = H2O(l) + NaBr(aq)
NH4Cl(s) + NaOH(l) = H2O(l) + NH3(g) + NaCl(aq) =>
NH4Cl(s) + NaOH(l) = H2O(l) + NH3(g) + NaCl(aq)
Ni(s) + HCl(aq) = H2(g) + NiCl3(aq) =>
2 Ni(s) + 6 HCl(aq) = 3 H2(g) + 2 NiCl3(aq)
BaCO3 + HNO3 = Ba(NO3)2 + H2O + CO2 =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + H2O + CO2
NH3 + H2SiO3 = NH4HSiO3 =>
NH3 + H2SiO3 = NH4HSiO3
Fe2O3 + WO3 + Al = Fe3W2 + Al2O3 =>
3 Fe2O3 + 4 WO3 + 14 Al = 2 Fe3W2 + 7 Al2O3
Ca(OH)2 + HCOONa = (HCOO)2Ca + NaOH =>
Ca(OH)2 + 2 HCOONa = (HCOO)2Ca + 2 NaOH
H2SO4 = H2O(g) + SO2(g) + O2(g) =>
2 H2SO4 = 2 H2O(g) + 2 SO2(g) + O2(g)
[Cu(NH3)4] + H2O2 = CuO + NH3 + H2 =>
2[Cu(NH3)4] + H2O2 = 2 CuO + 8 NH3 + H2
NH4Cl + O2 + NaOH = NaNO3 + NaCl + H2O =>
NH4Cl + 2 O2 + 2 NaOH = NaNO3 + NaCl + 3 H2O
CrCl3 + Ag(NO3) = Cr(NO3)3 + AgCl =>
CrCl3 + 3 Ag(NO3) = Cr(NO3)3 + 3 AgCl
K4Fe(CN6) + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HSNO3 + CO2 + H2O =>
2 K4Fe(CN6) + 2 KMnO4 + 27 H2SO4 = 10 KHSO4 + Fe2(SO4)3 + 2 MnSO4 + 12 HSNO3 + 2 CO2 + 16 H2O
KI + H2SO4 + Na2[B2(O2)2(OH)4]6H2O = K2SO4 + I2 + NaOH + B2 + H2O =>
70 KI + 35 H2SO4 + Na2[B2(O2)2(OH)4]6H2O = 35 K2SO4 + 35 I2 + 2 NaOH + 6 B2 + 47 H2O
Zr + P = Zr3P4 =>
3 Zr + 4 P = Zr3P4
Na + Co(ClO3)2 = NaClO3 + Co =>
2 Na + Co(ClO3)2 = 2 NaClO3 + Co
B2H6 = B10H14 + H2 =>
5 B2H6 = B10H14 + 8 H2
Ti + HCl = TiCl2 + H2 =>
Ti + 2 HCl = TiCl2 + H2
CH4 + S2 = CS2 + H2S =>
CH4 + 2 S2 = CS2 + 2 H2S
NaClO4 + KBr + HCl = NaCl + KCl + Br2 + H2O =>
NaClO4 + 8 KBr + 8 HCl = NaCl + 8 KCl + 4 Br2 + 4 H2O
K2Cr2O7 + AgNO3 + H2O = Ag2CrO4 + KNO3 + H2CrO4 =>
K2Cr2O7 + 2 AgNO3 + H2O = Ag2CrO4 + 2 KNO3 + H2CrO4
AlCl3 + NaCl = NaAlCl4 =>
AlCl3 + NaCl = NaAlCl4
Cu(NO3)2(ac) + NaHCO3(ac) = CuCO3(s) + NaNO3(ac) + CO2(g) + H2O(l) =>
Cu(NO3)2(ac) + 2 NaHCO3(ac) = CuCO3(s) + 2 NaNO3(ac) + CO2(g) + H2O(l)
SH2 + H2O = SO2 + H2 =>
SH2 + 2 H2O = SO2 + 3 H2
SO3 + H = SO2 + H2O =>
SO3 + 2 H = SO2 + H2O
UO2 + HCl = UCl4 + H2O =>
UO2 + 4 HCl = UCl4 + 2 H2O
Cu + H(C2H3O2) = Cu(C2H3O2)3 + H2 =>
2 Cu + 6 H(C2H3O2) = 2 Cu(C2H3O2)3 + 3 H2
Pb2O4 + CO = Pb + CO2 =>
Pb2O4 + 4 CO = 2 Pb + 4 CO2
K2Cr2O7 + H2SO4 + CH3(CH2)5CHOHCH3 = CH3(CH2)5COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH3(CH2)5CHOHCH3 = 3 CH3(CH2)5COCH3 + Cr2(SO4)3 + K2SO4 + 7 H2O
Na2SnO2 + Bi(NO3)3 + H2O = Bi(OH)3 + NaNO3 + SnO =>
3 Na2SnO2 + 2 Bi(NO3)3 + 3 H2O = 2 Bi(OH)3 + 6 NaNO3 + 3 SnO
K2CrO7 + SnCl2 + KOH = K3[Cr(OH)6] + K2SnO3 + KCl + H2O =>
2 K2CrO7 + 9 SnCl2 + 38 KOH = 2 K3[Cr(OH)6] + 9 K2SnO3 + 18 KCl + 13 H2O
(NH4)2SO4 = SO2 + N2 + NH3 + H2O =>
3(NH4)2SO4 = 3 SO2 + N2 + 4 NH3 + 6 H2O
Fe + Pb = FePb2 =>
Fe + 2 Pb = FePb2
SO4{2-} + MnO2 + H = MnO4{-} + S2O3{2-} + H2O =>
2 SO4{2-} + 2 MnO2 + 2 H = 2 MnO4{-} + S2O3{2-} + H2O
MnN2O6 + C3H6N6 = MnO2 + H2O + CO2 + N2 =>
9 MnN2O6 + 4 C3H6N6 = 9 MnO2 + 12 H2O + 12 CO2 + 21 N2
Mg2(SO4)3 + HCl = MgCl3 + H2SO4 =>
Mg2(SO4)3 + 6 HCl = 2 MgCl3 + 3 H2SO4
PbH4 + O2 = PbO + H2O =>
2 PbH4 + 3 O2 = 2 PbO + 4 H2O
BeI + AlCl = AlI + BeCl =>
BeI + AlCl = AlI + BeCl
MgSO4 + H2O = MgO4 + H2SO =>
MgSO4 + H2O = MgO4 + H2SO
C2H4O + Ag2O = CH3COOH + Ag =>
C2H4O + Ag2O = CH3COOH + 2 Ag
CaCl2 + K2Cr3O7 = CaCr3O7 + Cl2K2 =>
CaCl2 + K2Cr3O7 = CaCr3O7 + Cl2K2
Cu(NO3)2 + HCl = [Cu(HCl)4](NO3)2 =>
Cu(NO3)2 + 4 HCl = [Cu(HCl)4](NO3)2
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